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14
CHAPTER 4:
Testing and Maintenance
WEEKLY TESTING
WARNING!
DO NOT stand close to the alarm when the
horn is sounding. Exposure at close range
may be harmful to your hearing. When testing,
step away when horn starts sounding.
Push and hold the Test/Silence button on the
cover until you hear a “chirp.” The “chirp”
marks the start of the self-test sequence.
• First, the BATTERY (green) and
SERVICE (yellow) lights will flash briefly—
this is normal.
• Next, the smoke alarm will sound.
The smoke symbol will flash, and you will
hear this horn pattern: 3 beeps, pause,
3 beeps, pause.
• Finally, the CO alarm will sound.
The CO symbol will flash, and you will
hear this horn pattern: 4 beeps, pause,
4 beeps, pause.
If the unit does not alarm, make sure the battery
is correctly installed, and test again. If the unit
still does not alarm, replace it immediately.
N
OTE:
During testing, if the yellow service light comes
on and the horn “chirps” 3 times, the device
should be replaced. If the battery light flashes
yellow, replace the battery immediately.
If the alarm does not test properly:
1. Make sure the battery is installed correctly.
2. Be sure the alarm is clean and dust-free.
3. Install a fresh 9V alkaline or lithium battery*
and test the alarm again.
If the CO alarm is not working properly, refer to
the “Limited Warranty” at the end of this
manual.
WARNING!
If there is still a problem, do not try to fix the
alarm yourself. This will void your warranty!
CAUTION!
The Test/Silence button is the ONLY proper
way to test this smoke/CO alarm. NEVER
use vehicle exhaust, open flame, or aerosol
smoke. Using anything but the Test/Silence
button will damage the unit, and may cause
personal injury or property damage.
*For a list of acceptable replacement batteries,
see “Regular Maintenance.” (Page 15)